224946809 has 2 divisors, whose sum is σ = 224946810. Its totient is φ = 224946808.

The previous prime is 224946797. The next prime is 224946851. The reversal of 224946809 is 908649422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213744400 + 11202409 = 14620^2 + 3347^2 .

It is a cyclic number.

It is not a de Polignac number, because 224946809 - 2²⁴ = 208169593 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224946809.

It is not a weakly prime, because it can be changed into another prime (224946859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112473404 + 112473405.

It is an arithmetic number, because the mean of its divisors is an integer number (112473405).

Almost surely, 2^224946809 is an apocalyptic number.

It is an amenable number.

224946809 is a deficient number, since it is larger than the sum of its proper divisors (1).

224946809 is an equidigital number, since it uses as much as digits as its factorization.

224946809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 224946809 is about 14998.2268618660. The cubic root of 224946809 is about 608.1722671272.

The spelling of 224946809 in words is "two hundred twenty-four million, nine hundred forty-six thousand, eight hundred nine".